	/************************************************************************************************************
Ajax dynamic list
Copyright (C) 2006  DTHMLGoodies.com, Alf Magne Kalleland

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

Dhtmlgoodies.com., hereby disclaims all copyright interest in this script
written by Alf Magne Kalleland.

Alf Magne Kalleland, April 2006
Owner of DHTMLgoodies.com


************************************************************************************************************/

	var ajaxBox_offsetX = 0;
	var ajaxBox_offsetY = 0;
	var ajax_list_externalFile = '../Modules/AutoComplete/Item.php';	// Path to external file
	var minimumLettersBeforeLookup = 1;	// Number of letters entered before a lookup is performed.

	var ajax_list_objects = new Array();
	var ajax_list_cachedLists = new Array();
	var ajax_list_activeInput = false;
	var ajax_list_activeItem;
	var ajax_list_optionDivFirstItem = false;
	var ajax_list_currentLetters = new Array();
	var ajax_optionDiv = false;
	var ajax_optionDiv_iframe = false;
	
	var strReturnData = null;
	var arrReturnData = new Array();
	var intCounter = 1;
	var strParameter;

	var ajax_list_MSIE = false;
	if(navigator.userAgent.indexOf('MSIE')>=0 && navigator.userAgent.indexOf('Opera')<0)ajax_list_MSIE=true;

	var currentListIndex = 0;

	function ajax_getTopPos(inputObj)
	{

	  var returnValue = inputObj.offsetTop;
	  while((inputObj = inputObj.offsetParent) != null){
	  	returnValue += inputObj.offsetTop;
	  }
	  return returnValue;
	}
	function ajax_list_cancelEvent()
	{
		return false;
	}

	function ajax_getLeftPos(inputObj)
	{
	  var returnValue = inputObj.offsetLeft;
	  while((inputObj = inputObj.offsetParent) != null)returnValue += inputObj.offsetLeft;

	  return returnValue;
	}

	function ajax_option_setValue(e,inputObj)
	{
		if(!inputObj)inputObj=this;
		var tmpValue = inputObj.innerHTML;
		if(ajax_list_MSIE)tmpValue = inputObj.innerText;else tmpValue = inputObj.textContent;
		if(!tmpValue)tmpValue = inputObj.innerHTML;
		ajax_list_activeInput.value = tmpValue;
		if(document.getElementById(ajax_list_activeInput.name + '_hidden'))document.getElementById(ajax_list_activeInput.name + '_hidden').value = inputObj.id;

  		//var f1=setTimeout('ajax_list_activeInput.focus()',1);
  		//var f2=setTimeout('ajax_list_activeInput.value = ajax_list_activeInput.value',1);

		ajax_options_hide();
	}

	function ajax_options_hide()
	{
		if( ajax_optionDiv ) { ajax_optionDiv.style.display='none'; working(); }
		if( ajax_optionDiv_iframe ) { 
			ajax_optionDiv_iframe.style.display='none'; 
			working();
		}
	}

	function ajax_options_rollOverActiveItem( item, fromKeyBoard )
	{

		if( 'getItemName' == strParameter ) {
			var strData = arrReturnData[item.id - 1].split( /###/gi );
			var intRow = document.newad.working_row_id.value;
			$( '#item_id_' + intRow ).val( strData[1] );
			$( '#unit_price_' + intRow ).val( strData[4] );
			$( '#exp_date_' + intRow ).val( strData[7] );
			$( '#mrp_price_' + intRow ).val( strData[5] );
	
			if( ajax_list_activeItem ) ajax_list_activeItem.className = 'optionDiv';
			item.className = 'optionDivSelected';
			ajax_list_activeItem = item;
	
			if(fromKeyBoard){
				if(ajax_list_activeItem.offsetTop>ajax_optionDiv.offsetHeight){
					ajax_optionDiv.scrollTop = ajax_list_activeItem.offsetTop - ajax_optionDiv.offsetHeight + ajax_list_activeItem.offsetHeight + 2 ;
				}
				if(ajax_list_activeItem.offsetTop<ajax_optionDiv.scrollTop)
				{
					ajax_optionDiv.scrollTop = 0;
				}
			}
		}
		
		if( 'getCustomerName' == strParameter ) {
			var strData = arrReturnData[item.id - 1].split( /###/gi );
			$( '#customer_village' ).val( strData[4] );
			$( '#mobile_number' ).val( strData[2] );
			$( '#customer_id' ).val( strData[1] );
	
			if( ajax_list_activeItem ) ajax_list_activeItem.className = 'optionDiv';
			item.className = 'optionDivSelected';
			ajax_list_activeItem = item;
	
			if(fromKeyBoard){
				if(ajax_list_activeItem.offsetTop>ajax_optionDiv.offsetHeight){
					ajax_optionDiv.scrollTop = ajax_list_activeItem.offsetTop - ajax_optionDiv.offsetHeight + ajax_list_activeItem.offsetHeight + 2 ;
				}
				if(ajax_list_activeItem.offsetTop<ajax_optionDiv.scrollTop)
				{
					ajax_optionDiv.scrollTop = 0;
				}
			}
		}
	}

	function ajax_option_list_buildList(letters,paramToExternalFile)
	{

		strParameter = paramToExternalFile;
		ajax_optionDiv.innerHTML = '';
		ajax_list_activeItem = false;
		if(ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()].length<=1){
			ajax_options_hide();
			emptyValues( strParameter );
			return;
		}
		
		function emptyValues( strParameter ) {
			if( 'getItemName' == strParameter ) {
				var intRow = document.newad.working_row_id.value;
				$( '#item_id_' + intRow ).val('');
				$( '#unit_price_' + intRow ).val('');
				$( '#exp_date_' + intRow ).val('');
				$( '#mrp_price_' + intRow ).val('');
			}
			
			if( 'getCustomerName' == strParameter ) {
				$( '#customer_village' ).val('');
				$( '#mobile_number' ).val('');
				$( '#customer_id' ).val('');
			}
		}

		ajax_list_optionDivFirstItem = false;
		var optionsAdded = false;
		for( var no = 0; no < ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()].length; no++ ) {
			if( ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()][no].length == 0 ) continue;
			optionsAdded = true;
			var div = document.createElement( 'DIV' );
			var items = ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()][no].split( /###/gi );

			if(ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()].length==1 && ajax_list_activeInput.value == items[0]){
				ajax_options_hide();
				return;
			}
			
			div.innerHTML = items[items.length-1].substr( 0, items[items.length-1].length - 1 );
			div.id = items[0];
			div.className='optionDiv';
			div.onmouseover = function(){ ajax_options_rollOverActiveItem(this,false); }
			div.onclick = ajax_option_setValue;
			if(!ajax_list_optionDivFirstItem)ajax_list_optionDivFirstItem = div;
			ajax_optionDiv.appendChild(div);
		}
		if(optionsAdded){
			ajax_optionDiv.style.display = 'block';
			if( ajax_optionDiv_iframe ) ajax_optionDiv_iframe.style.display = '';
			ajax_options_rollOverActiveItem( ajax_list_optionDivFirstItem, true );
		}

	}

	function ajax_option_list_showContent(ajaxIndex,inputObj,paramToExternalFile,whichIndex)
	{
		if(whichIndex!=currentListIndex)return;
		var letters = inputObj.value;
		var content = ajax_list_objects[ajaxIndex].response;
		var elements = content.split('|');
		ajax_list_cachedLists[paramToExternalFile][letters.toLowerCase()] = elements;
		arrReturnData = elements;
		ajax_option_list_buildList(letters,paramToExternalFile);

	}

	function ajax_option_resize(inputObj)
	{
		ajax_optionDiv.style.top = (ajax_getTopPos(inputObj) + inputObj.offsetHeight + ajaxBox_offsetY) + 'px';
		ajax_optionDiv.style.left = (ajax_getLeftPos(inputObj) + ajaxBox_offsetX) + 'px';
		if(ajax_optionDiv_iframe){
			ajax_optionDiv_iframe.style.left = ajax_optionDiv.style.left;
			ajax_optionDiv_iframe.style.top = ajax_optionDiv.style.top;
		}

	}

	function ajax_showOptions(inputObj,paramToExternalFile,e)
	{
		if(e.keyCode==13 || e.keyCode==9)return;
		if(ajax_list_currentLetters[inputObj.name]==inputObj.value)return;
		if(!ajax_list_cachedLists[paramToExternalFile])ajax_list_cachedLists[paramToExternalFile] = new Array();
		ajax_list_currentLetters[inputObj.name] = inputObj.value;
		if(!ajax_optionDiv){
			ajax_optionDiv = document.createElement('DIV');
			ajax_optionDiv.id = 'ajax_listOfOptions';
			document.body.appendChild(ajax_optionDiv);

			if(ajax_list_MSIE){
				ajax_optionDiv_iframe = document.createElement('IFRAME');
				ajax_optionDiv_iframe.border='0';
				ajax_optionDiv_iframe.style.width = ajax_optionDiv.clientWidth + 'px';
				ajax_optionDiv_iframe.style.height = ajax_optionDiv.clientHeight + 'px';
				ajax_optionDiv_iframe.id = 'ajax_listOfOptions_iframe';

				document.body.appendChild(ajax_optionDiv_iframe);
			}

			var allInputs = document.getElementsByTagName('INPUT');
			for(var no=0;no<allInputs.length;no++){
				if(!allInputs[no].onkeyup)allInputs[no].onfocus = ajax_options_hide;
			}
			var allSelects = document.getElementsByTagName('SELECT');
			for(var no=0;no<allSelects.length;no++){
				allSelects[no].onfocus = ajax_options_hide;
			}

			var oldonkeydown=document.body.onkeydown;
			if(typeof oldonkeydown!='function'){
				document.body.onkeydown=ajax_option_keyNavigation;
			}else{
				document.body.onkeydown=function(){
					oldonkeydown();
				ajax_option_keyNavigation() ;}
			}
			var oldonresize=document.body.onresize;
			if(typeof oldonresize!='function'){
				document.body.onresize=function() {ajax_option_resize(inputObj); };
			}else{
				document.body.onresize=function(){oldonresize();
				ajax_option_resize(inputObj) ;}
			}

		}

		if(inputObj.value.length<minimumLettersBeforeLookup){
			ajax_options_hide();
			return;
		}


		ajax_optionDiv.style.top = (ajax_getTopPos(inputObj) + inputObj.offsetHeight + ajaxBox_offsetY) + 'px';
		ajax_optionDiv.style.left = (ajax_getLeftPos(inputObj) + ajaxBox_offsetX) + 'px';
		if(ajax_optionDiv_iframe){
			ajax_optionDiv_iframe.style.left = ajax_optionDiv.style.left;
			ajax_optionDiv_iframe.style.top = ajax_optionDiv.style.top;
		}

		ajax_list_activeInput = inputObj;
		ajax_optionDiv.onselectstart =  ajax_list_cancelEvent;
		currentListIndex++;
		if(ajax_list_cachedLists[paramToExternalFile][inputObj.value.toLowerCase()]){
			ajax_option_list_buildList(inputObj.value,paramToExternalFile,currentListIndex);
		}else{
			var tmpIndex=currentListIndex/1;
			ajax_optionDiv.innerHTML = '';
			var ajaxIndex = ajax_list_objects.length;
			ajax_list_objects[ajaxIndex] = new sack();
			var url = ajax_list_externalFile + '?' + paramToExternalFile + '=1&letters=' + inputObj.value.replace(" ","+");
			ajax_list_objects[ajaxIndex].requestFile = url;	// Specifying which file to get
			ajax_list_objects[ajaxIndex].onCompletion = function(){ ajax_option_list_showContent(ajaxIndex,inputObj,paramToExternalFile,tmpIndex); };	// Specify function that will be executed after file has been found
			ajax_list_objects[ajaxIndex].runAJAX();		// Execute AJAX function
		}


	}

	function ajax_option_keyNavigation(e)
	{
		if(document.all)e = event;

		if(!ajax_optionDiv)return;
		if(ajax_optionDiv.style.display=='none')return;

		if(e.keyCode==38){	// Up arrow
			if(!ajax_list_activeItem)return;
			if(ajax_list_activeItem && !ajax_list_activeItem.previousSibling)return;
			ajax_options_rollOverActiveItem(ajax_list_activeItem.previousSibling,true);
		}

		if(e.keyCode==40){	// Down arrow
			if(!ajax_list_activeItem){
				ajax_options_rollOverActiveItem(ajax_list_optionDivFirstItem,true);
			}else{
				if(!ajax_list_activeItem.nextSibling)return;
				ajax_options_rollOverActiveItem(ajax_list_activeItem.nextSibling,true);
			}
		}

		if(e.keyCode==13 || e.keyCode==9){	// Enter key or tab key
			if(ajax_list_activeItem && ajax_list_activeItem.className=='optionDivSelected')ajax_option_setValue(false,ajax_list_activeItem);
			if(e.keyCode==13)return false; else return true;
		}
		if(e.keyCode==27){	// Escape key
			ajax_options_hide();
		}
	}


	document.documentElement.onclick = autoHideList;

	function autoHideList(e)
	{
		if(document.all)e = event;

		if (e.target) source = e.target;
			else if (e.srcElement) source = e.srcElement;
			if (source.nodeType == 3) // defeat Safari bug
				source = source.parentNode;
		if(source.tagName.toLowerCase()!='input' && source.tagName.toLowerCase()!='textarea')ajax_options_hide();
	}